find the value of 2x²–5x+6 at 1 and x=(—3)
please tell me answer fast please
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find the value of 2x²–5x+6 at 1 and x=(—3)
please tell me answer fast please
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Step-by-step explanation:
x^2−5x+6=0=(x−2)(x−3)
Roots are 2 and 3
For x^2−8x+15=0=(x−5)(x−3)
Roots are 3 and 5
We have common root =3
We know that common root is the root of x^2+4x+q=0
Putting x=3 we get 9+12+q=0
⇒q=−21
hope this will help you